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Finding the Fourth Proportional to 371,762.10, 513,032.67 and 201,992.58

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Solution

The fourth proportional to 371,762.10, 513,032.67 and 201,992.58 is: 278,750.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,762.10 : 513,032.67 = 201,992.58 : x
  2. Step 2: Convert to fraction form
    371,762.10/513,032.67 = 201,992.58/x
  3. Step 3: Cross multiply
    371,762.10x = 513,032.67 × 201,992.58
  4. Step 4: Simplify right side
    371,762.10x = 103,628,792,637.59
  5. Step 5: Solve for x
    x = 103,628,792,637.59/371,762.10
  6. Step 6: Final answer
    x = 278,750.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.